About Image Bank
About Image Bank
The images on this site are available to researchers, students, and the press for use in research, education, outreach activities, and for news reporting purposes related to the Graduate School of Science. The copyright of the images on this site belongs to the Graduate School of Science of the University of Tokyo and its faculty members. Please use this site in accordance with the following terms of use.
To faculty members and students of the Graduate School of Science
You do not need to apply to use the site for the purpose of research, education, or outreach activities. Please use the site with the credit "Graduate School of Science, The University of Tokyo". When using the images in books or other publications, please apply for the use of the image attached to each image.
To members of the press, commercial enterprises, etc.
When using the images, please apply for use of the image attached to each image.
If you wish to use more than one image at a time (especially for books, etc.), please allow sufficient time for your application to be processed.
Please note that we may refuse the use of an image if it is used for a purpose that is significantly different from the purpose of this website. Please refrain from extreme cropping or alteration of images, and be sure to use them with the credit "Graduate School of Science, The University of Tokyo".
地上観測による金星夜面大気光分布
金星昼面高度100km以上で、太陽紫外光により二酸化炭素が光解離して生じた酸素原子は、昼夜間対流により夜側へ運ばれ、沈み込む際に再結合して大気光を励起すると考えられている。図に見られる反太陽点付近での増光はこのシナリオを裏付けているようにみえる。(岩上研)
(c) 東京大学 大学院理学系研究科 理学部, 2008-08-04